package cn.edu.ctbu.dp01.aop;

import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.stereotype.Component;
import org.springframework.util.StopWatch;

@Component
@Aspect
@Slf4j
public class HttpAspect{
@Pointcut("execution(* cn.edu.ctbu.dp01.api.TeacherApiController.*(..))")
    public void log(){
        }
@Before(" log()")
public void doBefore() {
    log.info("准备开始执行api... ");
}
@After(" log()")
public void doAfter(){
    log.info("执行api完，准备返回……");
}
@AfterReturning(returning = "object", pointcut = " log()")

public void AfterR(Object object) {
    log.info(" response={}", object);
}
    @Around("log()")
    public Object around(ProceedingJoinPoint pjp) throws Throwable{
        StopWatch stopWatch = new StopWatch();
        stopWatch.start();
        Object obj= pjp.proceed(pjp.getArgs());
        stopWatch. stop();
        long cost = stopWatch.getTotalTimeMillis();
        MethodSignature signature = (MethodSignature) pjp. getSignature();
        String methodName = signature.getDeclaringTypeName() + ", "+ signature.getName();
        log. info("-------- 执行"+ methodName +"方法，用时:" +cost +"ms --------");
                return obj;
    }
}
